TORONTO, April 27 (Reuters) - Canada's main stock index rose on Wednesday as higher oil prices supported energy stocks, while industrials also advanced on speculation of a major order for a plane and train maker.

Shares of Bombardier Inc rose 6 percent to C$2.11 after the company moved forward release of its first-quarter results by a day to Thursday in a surprise announcement that elevated market expectations of a big CSeries order this week.

At 10:30 a.m. EDT (1430 GMT), the Toronto Stock Exchange's S&P/TSX composite index was up 62 points, or 0.45 percent, to 13,871.44. Five of the index's 10 main groups were higher.

Investors awaited the Federal Reserve's interest rate announcement scheduled for 2 p.m. (1800 GMT). The U.S. central bank is expected to keep rates unchanged as it monitors the impact from weakening global growth but may seek to signal it is determined to resume policy tightening this year.